Ключевые слова: aggregate, asia, background, brilliance, chemical, china, clear, closeup, cluster, color, colorful, crystal, crystalline, cutout, detail, dioxide, faceted, gemstone, geology, hematite, hydrothermal, included, inclusion, iron, karas, luminous, macro, matrix, mineral, mineralogy, oxide, pegmatite, quartz, red, rock, sample, shallow dof, silicon, specimen, sphalerite, sulphide, treasure,